Accumulated Other Comprehensive (Loss) Income (Tables)

3 Months Ended

Mar. 31, 2013

Accumulated Other Comprehensive (Loss) Income [Abstract]

Accumulated other comprehensive (loss) income

(Dollars in thousands)	Net Unrealized Gains on Available-for-Sale Investment Securities			Net Change in Fair Value of Derivative Used for Cash Flow Hedges			Net Change Related to Defined Benefit Pension Plan			Accumulated Other Comprehensive (Loss) Income
Balance, December 31, 2012	$	8,344		$	(1,241	)	$	(14,023	)	$	(6,920	)
Net Change		(1,033	)		105			149			(779	)
Balance, March 31, 2013	$	7,311		$	(1,136	)	$	(13,874	)	$	(7,699	)
Balance, December 31, 2011	$	7,306		$	(932	)	$	(12,475	)	$	(6,101	)
Net Change		(751	)		113			152			(486	)
Balance, March 31, 2012	$	6,555		$	(819	)	$	(12,323	)	$	(6,587	)

Amounts reclassified out of each component of accumulated comprehensive (loss) income

Details about Accumulated Other Comprehensive (Loss) Income Components	Amount Reclassified from Accumulated Other Comprehensive (Loss) Income						Affected Line Item in the Statement of Income
	Three Months Ended March 31,
(Dollars in thousands)	2013			2012
Net unrealized holding losses on available-for-sale investment securities
	$	185		$	258		Net gain on sales of investment securities
		—			(3	)	Other-than-temporary impairment on equity securities
		185			255		Total before tax
		(65	)		(89	)	Tax expense
	$	120		$	166		Net of tax
Defined benefit pension plans:
Amortization of net loss included in net periodic pension costs*	$	292		$	297
Accretion of prior service cost included in net periodic pension costs*		(64	)		(64	)
		228			233		Total before tax
		79			81		Tax expense
	$	149		$	152		Net of tax

* These accumulated other comprehensive income (loss) components are included in the computation of net periodic pension cost. (See Note 6—Retirement Plans and Other Postretirement Benefits for additional details.)